/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.nifi.cluster;

public enum ConnectionState {

    /**
     * This NiFi instance is not part of a cluster
     */
    NOT_CLUSTERED,

    /**
     * Instance is in the process of connecting to the cluster
     */
    CONNECTING,

    /**
     * Instance is connected to the cluster
     */
    CONNECTED,

    /**
     * Instance is in the process of disconnecting from the cluster
     */
    DISCONNECTING,

    /**
     * Instance is disconnected from the cluster
     */
    DISCONNECTED,

    /**
     * Instance is offloading
     */
    OFFLOADING,

    /**
     * Instances has completed offloading
     */
    OFFLOADED,

    /**
     * Instance has been removed from the cluster
     */
    REMOVED,

    /**
     * The state is not currently known
     */
    UNKNOWN;
}
